Product Overview
Technical Summary
| Product type | DI 16×24 … 125 V UC HF |
|---|---|
| Digital inputs | 16 |
| Rated input voltage DC | 24 V; 48 V, 125 V |
| Rated input voltage AC | 24 V; 48 V, 125 V (50 – 60 Hz) |
| Input delay | 0.05…20 ms |
| Input address space | 2 byte |
| Counting frequency, max. | 6 kHz |
| Front connector | Screw terminals or push-in; to be ordered separately |
| Firmware version | from V1.0.0 |
| Product lifecycle | Active Product |
Key Features
- Product designation: DI 16×24 … 125 V UC HF digital input module for SIMATIC S7-1500.
- Digital inputs: 16 parameterizable digital inputs, simultaneously controllable in groups of 1.
- Input voltage: Rated input values: 24 V, 48 V, 125 V DC and 24 V, 48 V, 125 V AC (50 – 60 Hz).
- Input delay: 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms parameterizable with DC; 20 ms fixed with AC.
- Diagnostics and interrupts: Diagnostics, diagnostic alarms, hardware interrupts, wire-break detection to I < 550 μA, and channel and module status LEDs.
- Front connector: Screw-terminal or push-in front connector to be ordered separately.
Frequently Asked Questions
What product does 6ES7521-7EH00-0AB0 identify?
It identifies a SIMATIC S7-1500 DI 16×24 … 125 V UC HF digital input module with 16 channels.
Which specifications distinguish this module variant?
The variant has 24 V, 48 V, 125 V DC and AC rated input values, 0.05…20 ms parameterizable DC input delay, and 16 channels in groups of 1.
What connector configuration should be checked?
The front connector uses screw terminals or push-in terminals and must be ordered separately.
Which details are needed for a quotation?
Provide the complete order number, required quantity, and destination.
